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The growing popularity of extended cogs is a result of 11-speed 1x drivetrains by SRAM and Shimano. There are mechanical and weight advantages to ditching the front derailleur in favor of a wider range cassette that can do the job of a double or triple chainring system.

The post Tech: Deep dive on 1×10 narrow/wide conversion gearing appeared first on Mountain Bike Review.

The OneUp 42-tooth cog offers a solution to 1x10 users that need a lighter gear than what the 11x36 cog offers. But does it work with its big jumps in between cogs or is it too much of a compromise?

The post Just In: OneUp Components 42 Cog for 1×10 Drivetrains appeared first on Mountain Bike Review.